EP1062419B1 - Vorrichtung zur rückführung von abgasen bei einem verbrennungsmotor - Google Patents

Vorrichtung zur rückführung von abgasen bei einem verbrennungsmotor Download PDF

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Publication number
EP1062419B1
EP1062419B1 EP99910219A EP99910219A EP1062419B1 EP 1062419 B1 EP1062419 B1 EP 1062419B1 EP 99910219 A EP99910219 A EP 99910219A EP 99910219 A EP99910219 A EP 99910219A EP 1062419 B1 EP1062419 B1 EP 1062419B1
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
valve
internal combustion
combustion engine
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99910219A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1062419A1 (de
Inventor
Helmut Neuschwander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Publication of EP1062419A1 publication Critical patent/EP1062419A1/de
Application granted granted Critical
Publication of EP1062419B1 publication Critical patent/EP1062419B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/108—Intake manifolds with primary and secondary intake passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/1038—Sensors for intake systems for temperature or pressure

Definitions

  • the invention relates to a device for recycling exhaust gases at a Internal combustion engine according to the preamble of the main claim (see e.g. WO 96/21097 or EP-A-0586123).
  • the invention has for its object a device for recycling of exhaust gases in an internal combustion engine according to the above Kind in such a way that at the point of introduction of the recirculated exhaust gas optimal temperature conditions can be achieved.
  • the inventive device for recycling exhaust gas at a Internal combustion engine is an advantageous development of the generic type Arrangement as in the intake duct of the internal combustion engine in the direction of flow behind a throttle in a simple way in particular amount of recirculated exhaust gas optimized with regard to the temperature can be introduced is.
  • a valve is inserted into the exhaust gas recirculation line a predetermined quantitative ratio of exhaust gas and / or fresh air and thus an adjustable air-exhaust gas mixture for introduction into the intake duct generated.
  • the fresh air can advantageously be from one Air filters in the intake tract of the internal combustion engine are branched off.
  • the quantitative ratio can be set advantageously via the clock ratio, wherein the advantageous mixture by adding air at intervals and / or exhaust gas is controlled.
  • the clock ratio of the clocked valve can be selected so that the proportion of the exhaust gas in the air-exhaust gas mixture for example in the range from 20% to 40%, the Fresh air in a selected embodiment a temperature of approx. 60 ° C and the exhaust gas has a temperature of approx. 222 ° C.
  • the temperature is approx. 157.5 ° C with a share of the recirculated exhaust gas of 30%; this corresponds to the embodiment in about a temperature reduction of 29%.
  • the temperature is approx. 125 ° C a share of the recirculated exhaust gas of 20%; this corresponds approximately a temperature drop of 44%.
  • the device according to the invention is a cooling device for upstream of the clocked valve the recirculated exhaust gas is present, which is connected to an existing cooling circuit is connected for the internal combustion engine.
  • An embodiment of the device according to the invention is based on the drawing explains, the figure being a schematic diagram of an exhaust gas recirculation (EGR) for an internal combustion engine with a clocked valve shows.
  • EGR exhaust gas recirculation
  • the exhaust gas is at a first input clocked valve 8 guided, the second input via a fresh air line 9 is connected to the air filter 1.
  • a clocked valve 8 An air-exhaust gas mixture is generated, which is connected via a line 10 to an introduction point 11 is performed on which the mixture in the intake flow before Intake pipe 3 can flow.
  • a Mixture can be generated in line 10, in which the proportion of the exhaust gas is in the range of 20% to 40%.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
EP99910219A 1998-03-07 1999-02-11 Vorrichtung zur rückführung von abgasen bei einem verbrennungsmotor Expired - Lifetime EP1062419B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19809861A DE19809861A1 (de) 1998-03-07 1998-03-07 Vorrichtung zur Rückführung von Abgasen bei einem Verbrennungsmotor
DE19809861 1998-03-07
PCT/EP1999/000896 WO1999045265A1 (de) 1998-03-07 1999-02-11 Vorrichtung zur rückführung von abgasen bei einem verbrennungsmotor

Publications (2)

Publication Number Publication Date
EP1062419A1 EP1062419A1 (de) 2000-12-27
EP1062419B1 true EP1062419B1 (de) 2002-04-10

Family

ID=7860087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99910219A Expired - Lifetime EP1062419B1 (de) 1998-03-07 1999-02-11 Vorrichtung zur rückführung von abgasen bei einem verbrennungsmotor

Country Status (6)

Country Link
US (1) US6422218B1 (pt)
EP (1) EP1062419B1 (pt)
JP (1) JP2002506160A (pt)
BR (1) BR9908794A (pt)
DE (2) DE19809861A1 (pt)
WO (1) WO1999045265A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19959138B4 (de) * 1999-12-08 2014-04-03 Volkswagen Ag Vorrichtung zur Abgasrückführung an einer Brennkraftmaschine
JP2001280200A (ja) * 2000-03-30 2001-10-10 Aisin Seiki Co Ltd エンジンの排気ガス循環装置
JP5967360B2 (ja) * 2012-05-24 2016-08-10 三菱自動車エンジニアリング株式会社 排気ガス還流装置
EP2997251A4 (en) * 2013-03-15 2018-01-31 Combustion 8 Technologies LLC Reducing fuel consumption of spark ignition engines

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154830U (ja) * 1982-04-09 1983-10-17 マツダ株式会社 過給機付エンジンの排気還流装置
JPS60501615A (ja) 1983-04-11 1985-09-26 ドデユコ　コマンデイツトゲゼルシヤフト　ドクタ−　オイゲン　デユルヴエヒタ− 混合圧縮内熱機関の吸引通路に補助ガス流を導くための装置
DE3511094A1 (de) * 1985-03-27 1986-10-09 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Vorrichtung zum zufuehren eines zusatzgasstroms in den ansaugkanal eines ottomotors
US4856473A (en) * 1987-08-25 1989-08-15 Toyota Jidosha Kabushiki Kaisha Internal combustion engine with multiple intake valves and EGR arrangement
DE4142647C1 (en) * 1991-12-21 1992-12-10 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Controlling return of exhaust gas of IC engine - operating control valve from setting signals dependent on working parameter(s) after delay from start=up time
GB2267842A (en) * 1992-06-12 1993-12-22 Ford Motor Co Purifing exhaust gases
JPH0681719A (ja) * 1992-08-31 1994-03-22 Hitachi Ltd 内燃機関の吸気装置
DE4239773C2 (de) * 1992-11-26 1999-04-22 Audi Ag Verfahren und Vorrichtung zur Steuerung der rückgeführten Abgasmenge bei einer Brennkraftmaschine
DE9301419U1 (de) * 1993-02-02 1993-04-15 Pierburg GmbH, 4040 Neuss Ventileinrichtung für die Abgasrückführung einer Diesel-Brannkraftmaschine
SE509454C2 (sv) * 1993-04-01 1999-01-25 Volvo Ab Överladdad förbränningsmotor med avgasåtercirkulation
DE4445490A1 (de) * 1994-12-20 1996-06-27 Audi Ag Vorrichtung zur Abgasentgiftung an einer Brennkraftmaschine
WO1996021097A1 (en) * 1994-12-30 1996-07-11 Ford Motor Company Limited Engine management system
DE19622891C2 (de) * 1996-06-07 1998-04-09 Ranco Inc Abgasrückführungssystem
US5771868A (en) * 1997-07-03 1998-06-30 Turbodyne Systems, Inc. Turbocharging systems for internal combustion engines

Also Published As

Publication number Publication date
DE19809861A1 (de) 1999-09-09
EP1062419A1 (de) 2000-12-27
DE59901189D1 (de) 2002-05-16
JP2002506160A (ja) 2002-02-26
BR9908794A (pt) 2000-10-31
WO1999045265A1 (de) 1999-09-10
US6422218B1 (en) 2002-07-23

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